Recently I asked an opinion based question regarding LED strips. I have learned my lesson and now I have an actual question regarding "how power flows".
I'll explain: I have a lighting project that has 6,6 meters of LED strip and power is injected at the beginning of the strip and at the end of the strip, it goes in an almost complete loop. That long piece of LED strip has a maximum draw of 10,xx A @ 12 volts, but for simplicity let's say 10A. I never intend to drive the LED's at full brightness, so unless I code a bug in my controllers software, it should never exceed 10A anyway. Now for the actual question:
If I fuse the wiring so that there is one 10A fuse right after the PSU and 5A fuses right before injecting the power to the strip at both injection spots, is that conceptually correct? My idea is that half of the strip would be powered on each end of the strip and I assume it would be safer.
Does the situation change if I cut the strip at the middle point and only connect data and ground at that point, and power both halves individually?
- Yellow=data, red=12v, black=ground
- If necessary, I'll provide a better picture
Edit1: Or if someone can suggest a better solution altogether. I am being very neurotic about the safety of this installation.
Edit2: I thought about it a little while today and I have a hunch the below version would be better when it comes to being sure only 5A goes through each splice, maybe I could even get away with using smaller wire safely this way?
As I mentioned, if anyone has a better way to achieve this result, I'm open to ideas.
Multiple fuses in seriesmay prevent tripping some fuses (hopefully not the kind you will use) Do you know why people are not supposed to daisy chain fused power strips? Some psu will come with such a fuse on the wall AC line-. \$\endgroup\$